12028662 has 40 divisors (see below), whose sum is σ = 27625752. Its totient is φ = 3909600.

The previous prime is 12028661. The next prime is 12028669. The reversal of 12028662 is 26682021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12028661) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5737 + ... + 7547.

Almost surely, 2^12028662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12028662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13812876).

12028662 is an abundant number, since it is smaller than the sum of its proper divisors (15597090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12028662 is a wasteful number, since it uses less digits than its factorization.

12028662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 12028662 is about 3468.2361511293. The cubic root of 12028662 is about 229.1249802449.

It can be divided in two parts, 120 and 28662, that added together give a palindrome (28782).

The spelling of 12028662 in words is "twelve million, twenty-eight thousand, six hundred sixty-two".